RFR: 8244421: Wrong scrollbar position on touch enabled devices

[Johan Vos]

On Tue, 5 May 2020 16:49:09 GMT, Jose Pereda <jpereda at openjdk.org> wrote:

> `VirtualFlow` makes use of `VirtualScrollBar` controls, that are laid out next to the clipped container region, by
> default.
> However, when touch is supported, these scrollBars are floating controls laid out over the container. Therefore, in
> this case, when the viewport dimensions are updated, the presence of the scrollBars shouldn't be taken into account.

I confirm this fixes JBS-8244421

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Marked as reviewed by jvos (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/208